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Tests for internal dynamic dispatch (Java-only)

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svn: r18209
This commit is contained in:
Stevie Strickland 2010-02-20 08:08:17 +00:00
parent 90d8d3763a
commit 3b125d58fc
1 changed files with 48 additions and 0 deletions
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48
collects/tests/mzscheme/contract-test.ss
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@ -4594,6 +4594,54 @@
(define/public (m) (set! f #f)))])
(send (new d%) m)))
(test/spec-passed
'class/c-higher-order-override-1
'(let* ([c% (contract (class/c (override [m (-> number? number?)]))
(class object% (super-new)
(define/public (m x) x)
(define/public (f x) (m x)))
'pos
'neg)]
[d% (class c% (super-new)
(define/override (m x) (add1 (super m x))))])
(send (new d%) f 3)))
(test/neg-blame
'class/c-higher-order-override-2
'(let* ([c% (contract (class/c (override [m (-> number? number?)]))
(class object% (super-new)
(define/public (m x) x)
(define/public (f x) (add1 (m x))))
'pos
'neg)]
[d% (class c% (super-new)
(define/override (m x) (zero? (super m x))))])
(send (new d%) f 3)))
(test/neg-blame
'class/c-higher-order-override-3
'(let* ([c% (contract (class/c (override [m (-> number? number?)]))
(class object% (super-new)
(define/public (m x) (zero? x))
(define/public (f x) (add1 (m x))))
'pos
'neg)]
[d% (class c% (super-new)
(define/override (m x) (super m x)))])
(send (new d%) f 3)))
(test/pos-blame
'class/c-higher-order-override-4
'(let* ([c% (contract (class/c (override [m (-> number? number?)]))
(class object% (super-new)
(define/public (m x) x)
(define/public (f x) (add1 (m #f))))
'pos
'neg)]
[d% (class c% (super-new)
(define/override (m x) (+ x (super m x))))])
(send (new d%) f 3)))
;
;
; ;; ;; ; ;;